Home / 96,771,124.40-145,062,208.20-86,567,457.20

Finding the Fourth Proportional to 96,771,124.40, 145,062,208.20 and 86,567,457.20

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Solution

The fourth proportional to 96,771,124.40, 145,062,208.20 and 86,567,457.20 is: 129,766,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,771,124.40 : 145,062,208.20 = 86,567,457.20 : x
  2. Step 2: Convert to fraction form
    96,771,124.40/145,062,208.20 = 86,567,457.20/x
  3. Step 3: Cross multiply
    96,771,124.40x = 145,062,208.20 × 86,567,457.20
  4. Step 4: Simplify right side
    96,771,124.40x = 12,557,666,499,690,988
  5. Step 5: Solve for x
    x = 12,557,666,499,690,988/96,771,124.40
  6. Step 6: Final answer
    x = 129,766,669.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.